. >> joanne's son jackson born prematurely at 27 weeks was carried in the dark by a nurse who also held his oxygen tank. >> they had to go down nine flights of stairs that were wet and had adult patients lying on the floors in like stretchers. it was pretty crazy and all of this in complete darkness. >> there were so many ambulances, there's people running around pushing gurneys. >> no one would let him in. >> that negotiation was fruitless. >> donovan waited outside in the driving wind and rain for two hours. finally a doctor escorted him inside. >> we kind of jog ran up 15 flights of stairs to the fifth floor and got to the top of the steps and the floor was pitch black. i found my son found his nurse and it was kind of an awesome moment and we just walked down together. >> a harrowing drive down dark slick streets to hospitals that hadn't lost power followed. down sinai, mountviewer projects. >> he's doing really really good considering the long journey we had in an ambulance to get hear. >> by tuesday morning, all the patients at nyu were successfully evacuated to nearby hospitals.